If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
B-023
BSTFA
with 1% TMCS, kit of 10 × 1 mL, analytical standard, Cerilliant®
Sinónimos:
BSTFA
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Nombre del producto
N,O-bis(trimetilsilil)trifluoroacetamida, kit of 10 × 1 mL, analytical standard, Cerilliant®
grade
analytical standard
Quality Segment
reaction suitability
reagent type: derivatization reagent
reaction type: Acylations
packaging
kit of 10 × 1 mL
manufacturer/tradename
Cerilliant®
technique(s)
gas chromatography (GC): suitable
refractive index
n20/D 1.384 (lit.)
bp
45-50 °C/14 mmHg (lit.)
density
0.969 g/mL at 25 °C (lit.)
application(s)
forensics and toxicology
format
neat
storage temp.
−20°C
SMILES string
C[Si](C)(C)O\C(=N\[Si](C)(C)C)C(F)(F)F
InChI
1S/C8H18F3NOSi2/c1-14(2,3)12-7(8(9,10)11)13-15(4,5)6/h1-6H3/b12-7+
InChI key
XCOBLONWWXQEBS-KPKJPENVSA-N
Application
- Analysis of estrogenic compounds in water samples using gas chromatography coupled to mass spectrometry (GC-MS).
- Quantification of α-pyrrolidinovalerophenone (α-PVP) and its metabolites in urine samples using gas chromatography coupled to mass spectrometry (GC-MS).
Features and Benefits
- BSTFA is very versatile, reacting with a range of polar organic compounds and replacing active hydrogens with a −Si(CH3)3 (trimethylsilyl) group.
- Reacts rapidly and more completely than BSA.;
- TMCS increases the reactivity of BSTFA (or other silylation reagents).
- Amides and many secondary amines and hindered hydroxyls, incompletely derivatized by BSTFA alone, can be derivatized by adding 1-20% TMCS to BSTFA.
- Has good solvent properties and can function as a silylation reagent without additional solvents.
- Alternatively, the mixture is very soluble in most commonly used silylation solvents.
Legal Information
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Este artículo | |||
|---|---|---|---|
| application(s) forensics and toxicology | application(s) - | application(s) - | application(s) - |
| technique(s) gas chromatography (GC): suitable | technique(s) gas chromatography (GC): suitable | technique(s) gas chromatography (GC): suitable | technique(s) gas chromatography (GC): suitable |
| format neat | format - | format - | format - |
| grade analytical standard | grade derivatization grade (GC derivatization) | grade derivatization grade (GC derivatization) | grade derivatization grade (GC derivatization) |
| density 0.969 g/mL at 25 °C (lit.) | density 0.969 g/mL at 25 °C (lit.) | density 0.97 g/mL (lit.) | density 0.97 g/mL (lit.) |
| storage temp. −20°C | storage temp. - | storage temp. 2-8°C | storage temp. - |
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2
Clase de almacenamiento
3 - Flammable liquids
wgk
WGK 3
flash_point_f
75.2 °F - closed cup
flash_point_c
24.0 °C - closed cup
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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